Democratic Whip Harry Reid of Nevada, who each day roams the Senate floor protecting the minority party and pummeling George W. Bush, showed up Wednesday carrying a paperback book. It was David Brock's Blinded by the Right, and Reid used it as a blunt weapon against President Bush's choice of Judge Laurence Silberman as Republican co-chairman of the bipartisan commission to investigate Iraq intelligence failures. Reid cited at length Brock's screed against the author's erstwhile conservative colleagues, including his former mentor, Judge Silberman. Sen. Byron Dorgan of North Dakota, another Senate Democratic leader, on cue showed up to join the...